*Loading ROMs, both uncompressed and compressed in zip format.*Synchronised video. Optionally scaled to full screen, and optionally preserving the aspect ratio of the image, using two scalers.*Fast-forwarding.*Synchronised audio.*In-game saving.*Real time saving, there are 100 saved state slots.*Rebinding for all GBA buttons. The emulator has a menu you can enter with a customisable hotkey (default is X). You can use the menu to reset the game, exit to gmenu2x and set some settings. They are saved to a file, so you can use your favourite scaling, FPS counter, boot screen, remapping and hotkey settings all the time.*Bundled game_config.txt for greater compatibility, as well as overrides in /local/home/.gpsp/game_config.txt.*Bundled open-source GBA BIOS replacement by Normmatt, as well as the ability to drop the Nintendo GBA BIOS in /local/home/.gpsp/gba_bios.bin.*A border when the GBA image is shown on the screen without scaling. You can override this border by putting one at /local/home/.gpsp/border.png.*Automatic and manual frameskip.

Default Keys:X = Open the main menu.

If you have used the alpha 9, you will have to delete global_config.cfg from /local/home/.gpsp, otherwise the alpha 10 won't start.